Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Botulism01:22

Botulism

Botulism is a life-threatening neuroparalytic condition caused by botulinum neurotoxin, which is produced by the bacterium Clostridium botulinum, a Gram-positive, spore-forming, obligate anaerobe.In adults, the toxin enters the body in different ways: in foodborne botulism, the preformed toxin is absorbed in the intestine. In wound botulism, spores grow in injured tissue and release the toxin into the blood. Infant botulism differs mechanistically from adult forms. In infants, botulism commonly...
Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin01:26

Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin

Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
The binding of dantrolene to the RYR1...
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Tetanus01:29

Tetanus

Tetanus is a life-threatening neurological disorder characterized by persistent muscle contractions and spastic paralysis. It is caused by Clostridium tetani, a motile, Gram-positive, rod-shaped, obligate anaerobe. These bacteria produce terminal endospores, giving them a distinctive “lollipop” or “tennis-racket” appearance. They thrive in anaerobic environments, such as those found in deep puncture wounds.Once introduced into the body, the spores germinate into vegetative cells. These cells...
Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The deep cervical fascia neck lift.

Annales de chirurgie plastique et esthetique·2023
Same author

Hyo-neck lift evolution: Neck lift with fixation of the platysma to the deep cervical fascia.

Annales de chirurgie plastique et esthetique·2018
Same author

[Botulinum toxin: An important complement for facial rejuvenation surgery].

Annales de chirurgie plastique et esthetique·2017
Same author

[Aging prevention, new surgical techniques and future options for facial rejuvenation].

Annales de chirurgie plastique et esthetique·2017
Same author

A new approach to functional anatomy of the lower face: Role of the hyoplatysmal ligament, of the platysma and of the depressor labii lateralis.

Annales de chirurgie plastique et esthetique·2016
Same author

Hyo neck lift: Preliminary report.

Annales de chirurgie plastique et esthetique·2016
Same journal

2024 guidelines (S3) for the therapeutic management of patients with genital herpes.

Annales de dermatologie et de venereologie·2026
Same journal

Topical JAK inhibitors in the lichen planus spectrum: a systematic review.

Annales de dermatologie et de venereologie·2026
Same journal

2024 recommendations for the therapeutic management of anogenital warts.

Annales de dermatologie et de venereologie·2026
Same journal

Successful use of thalidomide in treating metastatic Crohn's disease.

Annales de dermatologie et de venereologie·2026
Same journal

Multiple cutaneous juvenile xanthogranuloma: a monocentric study.

Annales de dermatologie et de venereologie·2026
Same journal

Cartilage-hair-hypoplasia associated with granulomatosis induced by rubella vaccine.

Annales de dermatologie et de venereologie·2026
See all related articles

Related Experiment Video

Updated: Jun 21, 2026

Subcutaneous Neurotrophin 4 Infusion Using Osmotic Pumps or Direct Muscular Injection Enhances Aging Rat Laryngeal Muscles
05:50

Subcutaneous Neurotrophin 4 Infusion Using Osmotic Pumps or Direct Muscular Injection Enhances Aging Rat Laryngeal Muscles

Published on: June 13, 2017

[Can the botulinum toxin prevent aging?].

C Le Louarn1

  • 1Lelouarn-claude@noos.fr

Annales De Dermatologie Et De Venereologie
|July 7, 2009
PubMed
Summary
This summary is machine-generated.

As people age, resting muscle tone increases, contributing to facial aging. Botulinum toxin injections can decrease resting tone, slowing muscle shortening and structural aging for a more youthful appearance.

More Related Videos

Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays
12:25

Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays

Published on: March 3, 2014

Related Experiment Videos

Last Updated: Jun 21, 2026

Subcutaneous Neurotrophin 4 Infusion Using Osmotic Pumps or Direct Muscular Injection Enhances Aging Rat Laryngeal Muscles
05:50

Subcutaneous Neurotrophin 4 Infusion Using Osmotic Pumps or Direct Muscular Injection Enhances Aging Rat Laryngeal Muscles

Published on: June 13, 2017

Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays
12:25

Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays

Published on: March 3, 2014

Area of Science:

  • Aesthetic medicine
  • Gerontology
  • Neurology

Background:

  • Aging leads to increased resting muscle tone and superficial fat expulsion due to mimic muscle shortening.
  • The Face Recurve concept explains structural aging driven by muscular changes.
  • Mimic muscle shortening is a key factor in age-related facial structural changes.

Discussion:

  • Botulinum toxin is proposed for a novel indication: reducing resting muscle tone to mitigate muscle shortening and slow structural aging.
  • Injections can be administered early in the aging process, targeting wrinkles visible only during muscle contraction.
  • Precise injections are facilitated by newly determined motor end plate locations in mimic muscles.

Key Insights:

  • Botulinum toxin can be used to decrease resting muscle tone, thereby slowing the aging process.
  • Combining resting tone action with classical uses like maximum contraction strength and dermal injections addresses more advanced aging.
  • Blocking muscular regeneration with botulinum toxin can stabilize age-marker fascicles.

Outlook:

  • This approach offers a new strategy for preventing and treating age-related facial changes.
  • Early intervention with botulinum toxin may prevent the formation of static wrinkles.
  • Applications extend to reconstructive surgery, particularly for facial palsy deformities.